#337574
Closest named color: Bluegreen (#017A79). oklch(52% 0.067 193.9), rgb(51, 117, 116).
Aa
White text reads best on this color (5.33:1).
About this color
#337574 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.067 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.023 away. White text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #337574 |
| RGB | rgb(51, 117, 116) |
| HSL | hsl(179, 39%, 33%) |
| OKLCH | oklch(52% 0.067 193.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #337574 | 5.33:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #337574 | 3.93:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #337574 text on white | 5.33:1 | AA | Lc 76.4 | Fine for body text |
| #337574 text on black | 3.93:1 | AA large text | Lc -25.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDC
oklch(88.4% 0.018 192.6)
-
Step 300
300
#AAC8C7
oklch(81% 0.032 194.1)
-
Step 400
400
#7BABAA
oklch(70.7% 0.051 194.4)
-
Step 500
500
#569695
oklch(63% 0.066 194.3)
-
Step 600
600
#388180
oklch(55.7% 0.072 194.1)
-
Step 700
700 (this color)
#337574
oklch(52% 0.067 193.9)
-
Step 800
800
#245958
oklch(42.8% 0.056 193.6)
-
Step 900
900
#234948
oklch(37.7% 0.043 193.2)
-
Step 950
950
#152B2A
oklch(27% 0.028 191.9)
#337574 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6E7074 | 0.070 |
| Deuteranopia (no green cones) | #636875 | 0.065 |
| Tritanopia (no blue cones) | #007874 | 0.023 |
| Achromatopsia (no color) | #6B6B6B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337574
#337574
oklch(52% 0.067 193.9)
- #8B595D
#8B595D
oklch(52% 0.066 14.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #337574, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.023
- Deep Aqua #08787F ΔE 0.023
- Deep Turquoise #017374 ΔE 0.025
- Dark Aquamarine #017371 ΔE 0.026
- Teal #008080 ΔE 0.035
- Ocean #017B92 ΔE 0.047
- Dark Aqua #05696B ΔE 0.049
- Slate #516572 ΔE 0.054
Use #337574 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.